Treadmill



FIG. 1 is an upper rear perspective view of the treadmill showing my design.

FIG. 2 is a rear elevation view thereof, showing attachments in broken lines;

FIG. 3 is a front elevation view thereof, showing attachments in broken lines;

FIG. 4 is a side elevation view thereof;

FIG. 5 is an opposite side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof, showing attachments in broken lines.

Broken line portions indicate environment, such as attachments and decals, and form no part of the claimed design. 

CLAIM The ornamental design for a treadmill, as shown and described. 